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s344n2d4d5 [400]
3 years ago
8

What is 2/3(6e+9f-21g)

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0
 I think the answer is -7f
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Nguyen is decorating the room for her sister’s baby shower party. She is wrapping Vietnamese conical hats in baby prints tissue
JulsSmile [24]
So the best and correct answer is C because this is how you do it The surface area of the cone has formula

pi * radius * ( radius + sqrt ( height^2 + radius^2)) =
pi * radius^2 + pi * radius * sqrt( height^2 + radius^2)

However, this includes the base of the cone and the hats do NOT have
that. "The hats are shaped like a cone with NO BASE", says the 3rd sentence.

So the formula becomes pi * radius * sqrt( height^2 + radius^2)

diameter = 16
radius = 8
height = 9

The surface area of ONE of the hats is pi * 8 * sqrt( 9^2 + 8^2)
= pi * 8 * sqrt( 81+64)
= pi * 8 * sqrt(145)
302.63828053.....


21 of them is 21 * 302... = 6355.40689112841343251026086.....
6 0
3 years ago
Read 2 more answers
What is length and what is width.
sukhopar [10]

Answer:

x = 14

Step-by-step explanation:

because 4×8 is 32

if x = 14

14 - 10 = 4

14 - 6 = 8

8 x 4 = 32

8 0
3 years ago
The profits of mr cash’s company is represented by the equation p(t)=-3t^2+18t-4, where p(t) is the amount of profit in hundreds
eduard
We have that

<span>p(t)=-3t^2+18t-4

using a graphing tool, we can see the maximum of the graph
(see the attached figure)

A) </span><span>In what year of operation does Mr. Cash’s business show maximum profit?

</span>Mr. Cash’s business show maximum profit at year 3 (maximum in the parabole)

<span>B) What is the maximum profit? 

23 (hundred of thousand of dollars) = 2.300.000 dollars

</span>c) What time will it be two late?
 
(This is the time when the graph crosses zero and the profits turn into losses )

5.77 years, or an estimate of about  69 months.

4 0
3 years ago
-12.11-10.5=75.6-3.5x
Inessa [10]

Answer:

x = 28.06

Step-by-step explanation:

-12.11-10.5=75.6-3.5x

Put all the integers on one side and X on the other.

-12.11 - 10.5 - 75.5 = -3.5x

-98.21 = -3.5x

-98.21/-3.5 = x

x = 28.06

7 0
3 years ago
HELP IMMEDIATLY PLEASE I NEED HELP
Pachacha [2.7K]
This picture is too blurry for me to read sorry
8 0
3 years ago
Read 2 more answers
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